Results 131 to 140 of about 25,953 (199)

Detecting Pteridium arachnoideum and Tithonia diversifolia in a Multiclass Land‐Cover Framework in the Cerrado: A Deep Learning Time‐Series Benchmark With Spatial Cross‐Validation

open access: yesTransactions in GIS, Volume 30, Issue 2, April 2026.
ABSTRACT This study presents the first deep‐learning time‐series benchmark for detecting two encroaching species in the Brazilian Cerrado: the native super‐dominant fern Pteridium arachnoideum and the invasive alien shrub Tithonia diversifolia. We evaluate 43 architectures across six families (CNNs, RNNs, Transformers, and three hybrid groups) on ...
Leandro de Arruda Bruno   +3 more
wiley   +1 more source

Zoocoenological state of microhabitats and its seasonal dynamics in an aquatic macroinvertebrate assembly (Hydrobiological case studies on lake Balaton, No. 1.) [PDF]

open access: yes, 2005
In the years 2002, 2003 and 2004 we collected samples of macroinvertebrates on a total of 36 occasions in Badacsony bay, in areas of open water (in the years 2003 and 2004 reed-grassy) as well as populated by reed (Phragmites australis) and cattail ...
Gaál, Márta   +2 more
core  

Plant life forms shape phosphorus dynamics and rhizosphere microbial communities under gradient nutrient loadings

open access: yesEcological Indicators
Phosphorus (P) cycling at the sediment-water interface is a critical driver of eutrophication, yet the roles of aquatic macrophytes of different life forms and their associated rhizosphere microbial communities remain poorly understood.
Xiaowen Ma   +6 more
doaj   +1 more source

The importance of periodic droughts for maintaining diversity in the freshwater environment [PDF]

open access: yes, 1996
Whereas some species may rely on periodic drought conditions for part of their life histories, or have life strategies suited to exploiting the habitat or changed environmental conditions that are created by drought, for other organisms it is a time of ...
Everard, Mark
core  

Chalk streams and grazing mute swans [PDF]

open access: yes, 2014
The evidence shows that swan grazing can reduce plant abundance, prevent flowering, reduce water depth and reduce fishery value. However, these effects seem to be limited to a small number of sites on larger chalk streams.
Daunt, Francis   +3 more
core  

Population Characteristics of Largemouth Bass Associated with Changes in Abundance of Submersed Aquatic Vegetation in Lake Seminole, Georgia [PDF]

open access: yes, 2005
Population characteristics of largemouth bass ( Micropterus salmoides L.) including growth, body condition (relative weight), survival, and egg production were examined in relation to abundance of submersed aquatic vegetation (SAV) coverage ...
Maceina, Michael J.   +2 more
core  

Renaturierung kleiner Lössbäche – ein Beitrag der Ökologischen Landwirtschaft zum Naturschutz [PDF]

open access: yes, 2013
As a part of the interdisciplinary research project ”Integration of nature protection goals with organic farming: an the example from the Hessian ”state domain” [Staatsdomäne] area Frankenhausen”, different restoration measures have been carried out ...
Braukmann, Ulrich   +4 more
core  

Ecological change in Lough Erne: influence of catchment changes and species invasions [PDF]

open access: yes, 2005
Lough Erne in Northern Ireland has been the subject of much research over the last 30 years by, amongst others, the Department of Agriculture and Rural Development (DARD).
Gibson, Chris, Maguire,, Cathy
core  

Evaluating herbicidal risks of the fungicide tebuconazole: differential sensitivity of dicot and monocot macrophytes in freshwater mesocosms

open access: yesEnvironmental Sciences Europe
Background The triazole fungicide tebuconazole (TBZ) has plant growth regulatory properties and is used as such in, e.g., oilseed rape crop production. To date, very little is known about the phytohormonal effects of TBZ on macrophytes.
Silvia Mohr   +6 more
doaj   +1 more source

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